Building a DIY personal, portable, briefcase computer workstation with a Raspberry Pi!

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I'm using six of the same sensor in my fiber optic suit, with only four hardware configurable addresses. I need to take advantage of my ESP32 to create multiple I2C buses.

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We collected over two hundred retired testbeds and turned them into art! Join us as we highlight this project and tell some of the stories behind these dusty old circuit boards.

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Many of us at SparkFun consume coffee for breakfast, maybe lunch or dinner, but for some go-getters it's all three. Join me as I dig into the habits and trends of our breakroom coffee setup.

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Take a look at Cyclic Redundancy Checks beyond just copy/pasting an implementation. The underlying mathematical principles are very interesting, and you can try it yourself in Python!

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The trials of setting up a Web Server with Bootstrap, SPIFFS and ESPAsync.

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The trail-ready lightning detector has been out in the wild getting some good use. As summer nears its end, it is a great time to take the project back to the drawing board and figure out what should be upgraded, what should be added and what can be removed – just in time for some fall outdoor adventures!

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This summer I went on a tear setting up connected devices in my house with one goal; simplifying the mundane tasks of owning a house. The whole project has got me automating as much as I can, but also non-connected solutions are springing up as well. In this Enginursday, I build a roof over my new connected outdoor outlet.

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Terrify your coworkers! Annoy your friends! How many people in upper management can I frighten without losing my job?

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I made myself into an LED mummy for science. Sort of.

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How do you work with wire? Level up your technical skills by checking out this tutorial.

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The Longmont Innovation Center hosted a great event, focused on building community and sparking interest in STEM education!

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With a conference room named "Spaceball I," it's only fitting that it contains a "callable wall." While it's not all the way there, here is the start.

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This is the first part of building a keycode-based anti-theft system for a car.

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FYI... what I'd do is to listen to nrf traffic for some sort of password before sending out the data dump. that makes it impossible to…

Maybe a little bubblewrap to stop things from sliding? Just a thought. Great work, I think I have an old briefcase that needs repurposing :)

If you're in the credit card stealing game, no reason you shouldn't have a list of stolen cards to use to place orders with parts…

Thanks! If you already have a Raspberry Pi this would cost around $100. If you still need a Pi, you can grab a [Pi 3 A+…

Another Eagle "trick" is to set the color for vias to BLACK. That way, the vias take the color of the layer they are on, instead of always…

Regarding the castellated vs buried pads: Why not use both? Have a wide range of castellated pads that could be used for simpler designs not…

Very good; very impressive! Can you give us an idea of the cost to do this? I'd to really like to put my two empty, unused briefcases (one…

I wonder if the police can reach out to some board manufacturers with the PCB layout or partial schematic to find out if they manufactured…

Welcome! Sadly the BLEPeripheral lib could really use some development love and possibly a redesign to support more features of these Nordic…

Great write-up, Nate! Both PCB and IC tachnology has improved by leaps and bounds since I first started playing with electronics in the…

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